YOU SAID:

I like to kill fish and watch their dead bodies rot

INTO JAPANESE

私は魚を殺して彼らの死体が腐るのを見るのが好きです

BACK INTO ENGLISH

I like killing fish and seeing their corpses rotten

INTO JAPANESE

私は魚を殺して彼らの死体が腐っているのを見るのが好きです

BACK INTO ENGLISH

I like killing fish and seeing their corpses rotten